GB1459971A - Liquid crystal display device - Google Patents

Liquid crystal display device

Info

Publication number
GB1459971A
GB1459971A GB240675A GB240675A GB1459971A GB 1459971 A GB1459971 A GB 1459971A GB 240675 A GB240675 A GB 240675A GB 240675 A GB240675 A GB 240675A GB 1459971 A GB1459971 A GB 1459971A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
display device
crystal display
jan
disposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB240675A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of GB1459971A publication Critical patent/GB1459971A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Electric Clocks (AREA)
GB240675A 1974-01-31 1975-01-20 Liquid crystal display device Expired GB1459971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49013153A JPS50107958A (xx) 1974-01-31 1974-01-31

Publications (1)

Publication Number Publication Date
GB1459971A true GB1459971A (en) 1976-12-31

Family

ID=11825208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB240675A Expired GB1459971A (en) 1974-01-31 1975-01-20 Liquid crystal display device

Country Status (7)

Country Link
US (1) US3984176A (xx)
JP (1) JPS50107958A (xx)
CH (1) CH613586B (xx)
DE (1) DE2503663C2 (xx)
FR (1) FR2260119B1 (xx)
GB (1) GB1459971A (xx)
HK (1) HK13282A (xx)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2539491Y2 (ja) * 1991-10-09 1997-06-25 惠和商工株式会社 光拡散シート材
US4068924A (en) * 1975-03-04 1978-01-17 Sharp Kabushiki Kaisha Light collector means for irradiating a liquid crystal display device
DE2616669C2 (de) * 1976-04-15 1986-10-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Strahlungskollektor und -verdichter in Form einer fluoreszierenden Kunststoffplatte und Anzeigevorrichtung hiermit
DE2640909C2 (de) * 1976-09-10 1987-05-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anzeigevorrichtung mit einem Strahlungskollektor und -verdichter
US4042294A (en) * 1976-03-17 1977-08-16 Micro Display Systems Inc Illuminated electro-optical display apparatus
DE2660996C2 (de) * 1976-04-15 1986-08-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anzeigevorrichtung mit einem Strahlungskollektor und -verdichter
CH608934B5 (de) * 1976-06-03 1979-10-31 Bbc Brown Boveri & Cie Elektro-optische anzeigevorrichtung
US4218281A (en) * 1976-06-03 1980-08-19 Bbc Brown, Boveri & Company, Limited Manufacturing process for an electrooptic display device
US4149257A (en) * 1976-06-15 1979-04-10 Citizen Watch Company Limited Alarm watch equipped with electronic calculator
JPS5320969A (en) * 1976-08-11 1978-02-25 Seiko Epson Corp Liquid crystal watch
JPS5380386U (xx) * 1976-12-07 1978-07-04
DE2706375C3 (de) * 1977-02-15 1982-08-26 Siemens AG, 1000 Berlin und 8000 München Anzeigeanordnung mit einer Lichtventilvorrichtung, insbesondere einer Flüssigkristallzelle
DE2706405C3 (de) * 1977-02-15 1985-08-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Anzeigeanordnung zur Darstellung von hellen Bildern vor dunklem Hintergrund
JPS6118545Y2 (xx) * 1977-07-13 1986-06-05
US4266859A (en) * 1977-10-14 1981-05-12 Citizen Watch Co., Ltd. Liquid crystal display device
US4212048A (en) * 1978-06-16 1980-07-08 General Electric Company Illuminator for reflective dichroic liquid crystal displays
DE2827573C2 (de) * 1978-06-23 1983-02-03 Blaupunkt-Werke Gmbh, 3200 Hildesheim Großflächige Lichtquelle
DE2915847C2 (de) * 1978-09-29 1986-01-16 Nitto Electric Industrial Co., Ltd., Ibaraki, Osaka Elektrooptisch aktivierbare Anzeige
FR2449381A1 (fr) * 1979-02-13 1980-09-12 Thomson Csf Dispositif de visualisation sur grand ecran
CH619301A5 (xx) * 1979-05-31 1980-09-15 Bbc Brown Boveri & Cie
DE2944325C2 (de) * 1979-11-02 1984-03-22 Vdo Adolf Schindling Ag, 6000 Frankfurt Passives elektrooptisches Anzeigeelement
US4436377A (en) 1980-11-06 1984-03-13 Morgan Adhesives Company Transmissive reflector including nacreous, pressure sensitive adhesive layer
WO1982002973A1 (en) * 1981-02-03 1982-09-02 Horikiri Kenji Liquid crystal display unit
US4720706A (en) * 1985-08-26 1988-01-19 Stine Edward V Method and apparatus for electro-optical color imaging
NO159899C (no) * 1986-03-25 1989-02-15 Kjell Hansen Skjerm for bildefremvisning og/eller -opptak.
JPH0765236B2 (ja) * 1986-08-22 1995-07-12 スズキ株式会社 装飾メッキ方法
EP0281436A1 (fr) * 1987-02-12 1988-09-07 Martine Harraca-Roehl Matériau composite et écrans réalisés dans ce matériau
FR2623125B1 (fr) * 1987-11-17 1991-04-26 Harraca Roehl Martine Materiau composite permettant la reflexion et eventuellement la transmission de la lumiere, et ecran realise a partir de ce materiau
FR2610867B1 (fr) * 1987-02-12 1989-05-19 Harraca Martine Materiau composite transparent
US5138472A (en) * 1991-02-11 1992-08-11 Raychem Corporation Display having light scattering centers
US5136403A (en) * 1991-02-11 1992-08-04 Raychem Corporation Display having light scattering electro-optical element
US6579606B1 (en) * 1995-08-30 2003-06-17 3M Innovative Properties Company Back light reflection sheet for liquid crystal
DE19538893A1 (de) * 1995-10-19 1997-04-24 Bosch Gmbh Robert Beleuchtungskörper mit einem Diffusor
KR100692104B1 (ko) * 1997-06-06 2007-12-24 스미또모 가가꾸 가부시키가이샤 반사형 액정 표시장치 및 광확산 반사판
DE19833346B4 (de) * 1998-07-24 2014-02-27 Robert Bosch Gmbh Flüssigkristall-Displayanordnung eines elektronischen Geräts
GB2361087A (en) * 2000-04-05 2001-10-10 Chien Liang Chen Illumination Arrangements for a Liquid Crystal Display
US20080043490A1 (en) * 2005-09-09 2008-02-21 Fusion Optix Inc. Enhanced Light Guide
US7278775B2 (en) * 2004-09-09 2007-10-09 Fusion Optix Inc. Enhanced LCD backlight
JP2007024915A (ja) * 2005-07-12 2007-02-01 Nec Lcd Technologies Ltd 照明装置及び該照明装置を備える液晶表示装置
US7901125B2 (en) 2006-01-23 2011-03-08 Fujifilm Corporation Wedge-shaped lighting device
WO2007143432A2 (en) * 2006-05-25 2007-12-13 I2Ic Corporation Multi-colored illuminator for displays
CN103912797A (zh) * 2013-01-06 2014-07-09 纬创资通股份有限公司 背光模块
KR101282029B1 (ko) 2013-01-31 2013-07-04 삼성전자주식회사 디스플레이 모듈 및 이를 갖춘 디스플레이 장치
DE102014202424A1 (de) * 2014-02-11 2015-08-13 Osram Opto Semiconductors Gmbh Optoelektronisches Bauelement mit einer reflektierenden Schichtenfolge und Verfahren zum Erzeugen einer reflektierenden Schichtenfolge
EP4047266A1 (en) * 2021-02-19 2022-08-24 Sasso Martino Lighting device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA769422A (en) * 1967-10-17 Imperial Chemical Industries Limited Light transmitting polymeric sheet
DE1944364A1 (de) * 1968-09-04 1970-03-19 Fuji Photo Film Co Ltd Projektionsschirm
BE789411A (fr) * 1971-09-28 1973-01-15 Siemens Ag Dispositif pour l'affichage polychrome de donnees
US3881809A (en) * 1972-03-10 1975-05-06 Hoffmann La Roche Reflection system for liquid crystal displays
JPS4895795A (xx) * 1972-03-17 1973-12-07
US3833288A (en) * 1972-11-24 1974-09-03 B Nilsson Means for producing a controllable scattering of light

Also Published As

Publication number Publication date
CH613586B (fr)
US3984176A (en) 1976-10-05
FR2260119B1 (xx) 1981-08-21
DE2503663A1 (de) 1975-08-14
DE2503663C2 (de) 1983-04-28
JPS50107958A (xx) 1975-08-25
FR2260119A1 (xx) 1975-08-29
HK13282A (en) 1982-04-02
CH613586GA3 (xx) 1979-10-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950119